Retainers, (Backup Rings), Hydraulic and Pneumatic, Polytetrafluoroethylene Resin, Solid, Un-Cut, for Use in Static Glands to AS5857
AS5861C
This SAE Aerospace Standard (AS) specifies solid polytetrafluoroethylene (PTFE) retainers (backup rings) for use in static glands in accordance with AS5857. They are usually for use in hydraulic and pneumatic systems as anti-extrusion devices in conjunction with O-rings and other seals.
Rationale:
In Table 1A, part numbers AS5861P(XX)-456 and AS5861R(XX)-456 were missing. In Table 1B, part numbers AS5861R(XX)-104 through AS5861R(XX)-108: ID, T, and, W dimensions were incorrect. Also in Table 1B, part numbers AS5861R(XX)-127 and AS5861R(XX)-239 ID dimensions were incorrect. This revision corrects the errors, and minor format improvements are also included.
Related Topics:
Thermoplastics
Resins
Also known as: SAE AS 5861
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